Title:
PRESENCE/ABSENCE DETECTOR
Document Type and Number:
Japanese Patent JP3814403
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an inexpensive presence/absence detector with high quality and high durability for detecting the presence/absence of a patient.
SOLUTION: This presence/absence detector is provided with a sensor case 5 having plural protrusions on an eccentric circumference for detecting the presence/absence of a patient in bedding according to weight imposed on the bedding, sensor board 6 on whose lower face a distortion sensing resistor is attached on the sensor case 5, pressurizing body 2 having a protrusion for pushing the opposite face to which the distortion sensing resistor is attached, and having a circular-arc face-shaped recessed part on the upper face on the sensor substrate 6, and a cover member 3 for covering the sensor case 5.
Inventors:
F. Taura
Kenichi Kakita
Tsuyoshi Ogino
Kunihiko Ueda
Inoue Yoshikatsu
Yasuda Asaaki
Kenichi Kakita
Tsuyoshi Ogino
Kunihiko Ueda
Inoue Yoshikatsu
Yasuda Asaaki
Application Number:
JP3966198A
Publication Date:
August 30, 2006
Filing Date:
February 04, 1998
Export Citation:
Assignee:
Matsushita Cold Machinery Co., Ltd.
International Classes:
G01G3/142; A47C19/02; A61G7/00; G01G19/52; G01V9/00; G08B5/00; (IPC1-7): G01G3/142; G01G19/52; G01V9/00; G08B5/00
Domestic Patent References:
| JP57138022U |
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano
Hiroki Naito
Daisuke Nagano